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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Tracking, Autocrossing, Dragstrip, Driving Techniques > 1st time 1/4



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      01-22-2017, 01:22 PM   #1
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1st time 1/4

Sorry I know there are a lot of 1st time 1/4 post here but was hoping I could some tips.

I am stage 2+ aggressive wedge tune. I am thinking about getting a stage 2 pump before the track day and going e85. Would the of the shelf mhd e60 map be an noticeable improvement over a aggressive 93 tune I hit about 21psi on that.

Also is it best to start in 1st and limit boost by gear v mhd

any help appreciated .
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      03-24-2017, 11:19 AM   #2
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Turn the boost up as much as you can to maintain traction on a 2nd gear launch, for best 1/4 mile time. IMO
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